Answer
Apr 09, 2021 - 10:32 AM
If they are hairline cracks, that could be tricky as sometimes a person ends up making more of a mess trying to put something in a very fine crack. If they are larger than hairline, you may use Novalink 35. Apply it to the crack, and tool it in, smoothing it using a putty knife. Cracks should be cleaned prior with 90% isopropyl rubbing alcohol. https://www.greenbuildingsupply.com/core/media/media.nl?id=372472&c=772072&h=ab
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